io.github.al157/quarterlytax-mcp
Quarterly Tax Calculator
US federal + state quarterly estimated tax estimates, SE tax, and quarterly payment due dates.
alive probed 2026-10-15 · HTTP 200
2tools
688tokens in Claude Opus 5.5
718tokens in Claude Code
0.3 %of a 200k context window
389o200k_base estimate
80 msto initialize
26 msto list tools
- Endpoint
- https://mcp.quarterlytax.al157.xyz/mcp (streamable-http)
- Host
- mcp.quarterlytax.al157.xyz
- Protocol
- 2025-06-18
- Reports itself as
- quarterlytax-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/al157/quarterly-tax-calc
- Website
- https://quarterlytax.al157.xyz
- Registry
- active, updated 2026-10-15 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| estimateQuarterlyTax | 283 | 73 % |
| getPaymentCalendar | 106 | 27 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.al157/quarterlytax-mcp)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.